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2 items are filed under this topic.
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How high is the ledge? |
2009-10-03 |
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From gabby:
Standing on a ledge, there is a boat 25 degrees below you. The boat has a 1,000ft. tower. If the angle of elevation to the top of the tower is 15 degrees, how high is the ledge?
Answered by Stephen La Rocque. |
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Logico mathematical knowledge |
2002-01-23 |
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From A teacher:
How does young children's logico mathematical knowledge develop?
Answered by Walter Whitely. |
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